MD244C2 - Procedeu de obţinere a esterului alcoolului (S)- -cian-3-fenoxibenzilic şi a acidului 1R, cis-2,2-dimetil-3-(2,2'-dibromvinil)-ciclopropan-1-carbonic - Google Patents

Procedeu de obţinere a esterului alcoolului (S)- -cian-3-fenoxibenzilic şi a acidului 1R, cis-2,2-dimetil-3-(2,2'-dibromvinil)-ciclopropan-1-carbonic

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Publication number
MD244C2
MD244C2 MD94-0272A MD940272A MD244C2 MD 244 C2 MD244 C2 MD 244C2 MD 940272 A MD940272 A MD 940272A MD 244 C2 MD244 C2 MD 244C2
Authority
MD
Moldova
Prior art keywords
fenoxybenzol
dibromvinil
cyai
cyclopropan
cis
Prior art date
Application number
MD94-0272A
Other languages
English (en)
Russian (ru)
Other versions
MD244B1 (ro
Inventor
Jacques Martel
Jean Tessier
Andre Teche
Jean Pierre Demoute
Original Assignee
Roussel Uclaf, Societe Anonyme
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR7802621A external-priority patent/FR2421875A1/fr
Application filed by Roussel Uclaf, Societe Anonyme filed Critical Roussel Uclaf, Societe Anonyme
Publication of MD244B1 publication Critical patent/MD244B1/ro
Publication of MD244C2 publication Critical patent/MD244C2/ro

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Abstract

Invenţia se referă la procedeul de obţinere a esterului alcoolului (S)-α - cian-3-fenoxibenzilic cu activitate insecticidă.Sarcina invenţiei constă în sporirea randamentului cu destinaţie specială.Conform procedeului, obţinerea esterului alcoolului (S)-α-cian-3- fenoxibenzilic şi a acidului 1 R, cis-2,2-dimetil-3-(2',2'-dibromvinil)-ciclopropan-1-carbonic se realizează prin eterificarea alcoolului α-cian-3- fenoxibenzilic cu cloranhidrura acidului 1 R, cis-2,2-dimetil-3-(2',2'-dibromvinil)-ciclopropan-1-carbonic în mediu de hidrocarbură monoaromatică. Ca alcool α-cian-3- fenoxibenzilic se utilizează (S)-izomerul acestuia şi procesul se efectuiază la temperatura de la - 10°C până la +20°C.
MD94-0272A 1978-01-31 1994-09-08 Procedeu de obţinere a esterului alcoolului (S)- -cian-3-fenoxibenzilic şi a acidului 1R, cis-2,2-dimetil-3-(2,2'-dibromvinil)-ciclopropan-1-carbonic MD244C2 (ro)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR7802621A FR2421875A1 (fr) 1978-01-31 1978-01-31 Alcool benzylique substitue optiquement actif et son procede de preparation
SU792714653A SU957764A3 (ru) 1978-01-31 1979-01-19 Способ получени / @ / @ -циано-3-феноксибензилового спирта
SU792832611A SU1116978A3 (ru) 1978-01-31 1979-10-15 Способ получени сложного эфира/ @ /- @ -циано-3-феноксибензилового спирта и @ ,цис-2,2-диметил-3-/2,2-дибромвинил/-циклопропан-1-карбоновой кислоты

Publications (2)

Publication Number Publication Date
MD244B1 MD244B1 (ro) 1995-07-31
MD244C2 true MD244C2 (ro) 1995-12-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
MD94-0272A MD244C2 (ro) 1978-01-31 1994-09-08 Procedeu de obţinere a esterului alcoolului (S)- -cian-3-fenoxibenzilic şi a acidului 1R, cis-2,2-dimetil-3-(2,2'-dibromvinil)-ciclopropan-1-carbonic

Country Status (1)

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MD (1) MD244C2 (ro)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2240914A2 (en) * 1973-08-15 1975-03-14 Nat Res Dev Insecticidal stereoisomeric esters - of 2,2-dimethyl-3-(2,2-di-halovinyl) cyclopropane carboxylic acid which are very toxic to houseflies

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2240914A2 (en) * 1973-08-15 1975-03-14 Nat Res Dev Insecticidal stereoisomeric esters - of 2,2-dimethyl-3-(2,2-di-halovinyl) cyclopropane carboxylic acid which are very toxic to houseflies

Also Published As

Publication number Publication date
MD244B1 (ro) 1995-07-31

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